Variations in Asphalt Adhesion as a Function of - Petersen Asphalt ...

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CONCLUSIONS • Polar asphalt components interacting with a mineral substrate induce multimolecular structuring in thin films producing an increase in viscosity. • Interactions of asphalts with mineral surfaces have dramatic effects on thin-film viscosities. The interactions depend on asphalt composition and aggregate surface composition.
CONCLUSIONS • The effects of aggregate surface-induced structuring on the rheological properties of asphalt binders in the thin film region at the asphalt-aggregate interface can be measured by the specially designed fixture. • It appears that the specially designed fixture can also be employed to evaluate the effect of water on the rheological properties of thin films of asphalt.
Page 1 and 2: VARIATIONS IN ASPHALT ADHESION AS A
Page 3 and 4: SUPERPAVE ® PARAMETERS G * sinδ G
Page 5 and 6: LITERATURE • Marades, E.J. and A.
Page 7 and 8: Viscosity, poise 1e+9 1e+8 1e+7 1e+
Page 9 and 10: Viscosity at 0.05 s -1 , Pa·s EFFE
Page 11 and 12: Superpave® Mixture Design Volumetr
Page 13 and 14: Intensity IR SPECTRAL RESULTS OF AA
Page 15 and 16: HYPOTHESIS • The physical propert
Page 17 and 18: CROSS-SECTIONAL VIEW OF FIXTURE Fix
Page 19 and 20: SLIDING PLATE VISCOMETER
Page 21 and 22: SIMPLE FLUID SYSTEM Force r Plate S
Page 23 and 24: Deflection, mm 0.006 0.005 0.004 0.
Page 25 and 26: QUESTION? How about the aggregate s
Page 27 and 28: z-axis (height), µm 20 15 10 5 0 S
Page 29 and 30: Sample Temperature, °C 28 26 24 22
Page 31 and 32: Apparent Viscosity, Pa·s 1.6e+6 1.
Page 33 and 34: Apparent Viscosity, Pa·s 3e+7 2e+7
Page 35 and 36: Apparent Viscosity, Pa·s IMPACT OF
Page 37 and 38: IMPACT OF WATER ON AAD-1/GRANITE (#
Page 39: Apparent Viscosity, Pa·s IMPACT OF

Variations in Asphalt Adhesion as a Function of - Petersen Asphalt ...

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